<!--<nav class="navbar navbar-light bg-light">
  <a class="navbar-brand" href="#">
      <span  width="30" height="30" class="d-inline-block align-top fa fa-camera-retro fa-5x" />
      Bootstrap
    </a>
</nav>-->
<nav class="navbar navbar-light bg-light justify-content-between">
  <a class="navbar-brand" href="" ui-sref="map">Map</a>
  <a class="navbar-brand" href="" ui-sref="about">About</a>
  <form class="form-inline">
    <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
    <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
  </form>
</nav>